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33 lines
1008 B
C++
33 lines
1008 B
C++
/*
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* Copyright Louis Dionne 2014
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE.md or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/std_array.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <array>
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using namespace boost::hana;
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template <int ...i>
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auto array = std::array<int, sizeof...(i)>{{i...}};
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int main() {
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BOOST_HANA_STATIC_ASSERT(is_empty(array<>));
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BOOST_HANA_STATIC_ASSERT(!is_empty(array<0>));
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BOOST_HANA_STATIC_ASSERT(!is_empty(array<0, 1>));
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BOOST_HANA_STATIC_ASSERT(head(array<0>) == 0);
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BOOST_HANA_STATIC_ASSERT(head(array<0, 1>) == 0);
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BOOST_HANA_STATIC_ASSERT(head(array<0, 1, 2>) == 0);
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BOOST_HANA_STATIC_ASSERT(tail(array<0>) == array<>);
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BOOST_HANA_STATIC_ASSERT(tail(array<0, 1>) == array<1>);
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BOOST_HANA_STATIC_ASSERT(tail(array<0, 1, 2>) == array<1, 2>);
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BOOST_HANA_STATIC_ASSERT(tail(array<0, 1, 2, 3>) == array<1, 2, 3>);
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}
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